added all mdb2 drivers

1 files changed, 766 insertions, 0 deletions

diff --git a/program/lib/MDB2/Driver/mssql.php b/program/lib/MDB2/Driver/mssql.php
new file mode 100755
index 000000000..9134654e6
--- /dev/null
+++ b/program/lib/MDB2/Driver/mssql.php
@@ -0,0 +1,766 @@
+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5                                                 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann                       |
+// | All rights reserved.                                                 |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB  |
+// | API as well as database abstraction for PHP applications.            |
+// | This LICENSE is in the BSD license style.                            |
+// |                                                                      |
+// | Redistribution and use in source and binary forms, with or without   |
+// | modification, are permitted provided that the following conditions   |
+// | are met:                                                             |
+// |                                                                      |
+// | Redistributions of source code must retain the above copyright       |
+// | notice, this list of conditions and the following disclaimer.        |
+// |                                                                      |
+// | Redistributions in binary form must reproduce the above copyright    |
+// | notice, this list of conditions and the following disclaimer in the  |
+// | documentation and/or other materials provided with the distribution. |
+// |                                                                      |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission.                                                  |
+// |                                                                      |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
+// | POSSIBILITY OF SUCH DAMAGE.                                          |
+// +----------------------------------------------------------------------+
+// | Author: Frank M. Kromann <frank@kromann.info>                        |
+// +----------------------------------------------------------------------+
+//
+// $Id$
+//
+// {{{ Class MDB2_Driver_mssql
+/**
+ * MDB2 MSSQL Server driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author  Frank M. Kromann <frank@kromann.info>
+ */
+class MDB2_Driver_mssql extends MDB2_Driver_Common
+{
+    // {{{ properties
+    var $escape_quotes = "'";
+
+    // }}}
+    // {{{ constructor
+
+    /**
+     * Constructor
+     */
+    function __construct()
+    {
+        parent::__construct();
+
+        $this->phptype = 'mssql';
+        $this->dbsyntax = 'mssql';
+
+        $this->supported['sequences'] = 'emulated';
+        $this->supported['indexes'] = true;
+        $this->supported['affected_rows'] = true;
+        $this->supported['transactions'] = true;
+        $this->supported['summary_functions'] = true;
+        $this->supported['order_by_text'] = true;
+        $this->supported['current_id'] = 'emulated';
+        $this->supported['limit_queries'] = 'emulated';
+        $this->supported['LOBs'] = true;
+        $this->supported['replace'] = 'emulated';
+        $this->supported['sub_selects'] = true;
+        $this->supported['auto_increment'] = true;
+        $this->supported['primary_key'] = true;
+
+        $this->options['database_device'] = false;
+        $this->options['database_size'] = false;
+    }
+
+    // }}}
+    // {{{ errorInfo()
+
+    /**
+     * This method is used to collect information about an error
+     *
+     * @param integer $error
+     * @return array
+     * @access public
+     */
+    function errorInfo($error = null)
+    {
+        $native_code = null;
+        if ($this->connection) {
+            $result = @mssql_query('select @@ERROR as ErrorCode', $this->connection);
+            if ($result) {
+                $native_code = @mssql_result($result, 0, 0);
+                @mssql_free_result($result);
+            }
+        }
+        $native_msg = @mssql_get_last_message();
+        if (is_null($error)) {
+            static $ecode_map;
+            if (empty($ecode_map)) {
+                $ecode_map = array(
+                    110   => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+                    155   => MDB2_ERROR_NOSUCHFIELD,
+                    170   => MDB2_ERROR_SYNTAX,
+                    207   => MDB2_ERROR_NOSUCHFIELD,
+                    208   => MDB2_ERROR_NOSUCHTABLE,
+                    245   => MDB2_ERROR_INVALID_NUMBER,
+                    515   => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+                    547   => MDB2_ERROR_CONSTRAINT,
+                    1913  => MDB2_ERROR_ALREADY_EXISTS,
+                    2627  => MDB2_ERROR_CONSTRAINT,
+                    2714  => MDB2_ERROR_ALREADY_EXISTS,
+                    3701  => MDB2_ERROR_NOSUCHTABLE,
+                    8134  => MDB2_ERROR_DIVZERO,
+                );
+            }
+            if (isset($ecode_map[$native_code])) {
+                if ($native_code == 3701
+                    && preg_match('/Cannot drop the index/i', $native_msg)
+                ) {
+                   $error = MDB2_ERROR_NOT_FOUND;
+                } else {
+                    $error = $ecode_map[$native_code];
+                }
+            }
+        }
+        return array($error, $native_code, $native_msg);
+    }
+
+    // }}}
+    // {{{ quoteIdentifier()
+
+    /**
+     * Quote a string so it can be safely used as a table / column name
+     *
+     * Quoting style depends on which database driver is being used.
+     *
+     * @param string $str  identifier name to be quoted
+     *
+     * @return string  quoted identifier string
+     *
+     * @since 1.6.0
+     * @access public
+     */
+    function quoteIdentifier($str)
+    {
+        return '[' . str_replace(']', ']]', $str) . ']';
+    }
+
+    // }}}
+    // {{{ beginTransaction()
+
+    /**
+     * Start a transaction.
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function beginTransaction()
+    {
+        $this->debug('starting transaction', 'beginTransaction');
+        if ($this->in_transaction) {
+            return MDB2_OK;  //nothing to do
+        }
+        if (!$this->destructor_registered && $this->opened_persistent) {
+            $this->destructor_registered = true;
+            register_shutdown_function('MDB2_closeOpenTransactions');
+        }
+        $result = $this->_doQuery('BEGIN TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = true;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ commit()
+
+    /**
+     * Commit the database changes done during a transaction that is in
+     * progress.
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function commit()
+    {
+        $this->debug('commit transaction', 'commit');
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR, null, null,
+                'commit: transaction changes are being auto committed');
+        }
+        $result = $this->_doQuery('COMMIT TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ rollback()
+
+    /**
+     * Cancel any database changes done during a transaction that is in
+     * progress.
+     *
+     * @return mixed MDB2_OK on success, a MDB2 error on failure
+     * @access public
+     */
+    function rollback()
+    {
+        $this->debug('rolling back transaction', 'rollback');
+        if (!$this->in_transaction) {
+            return $this->raiseError(MDB2_ERROR, null, null,
+                'rollback: transactions can not be rolled back when changes are auto committed');
+        }
+        $result = $this->_doQuery('ROLLBACK TRANSACTION', true);
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+        $this->in_transaction = false;
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ connect()
+
+    /**
+     * Connect to the database
+     *
+     * @return true on success, MDB2 Error Object on failure
+     */
+    function connect()
+    {
+        if (is_resource($this->connection)) {
+            if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+                && $this->opened_persistent == $this->options['persistent']
+            ) {
+                return MDB2_OK;
+            }
+            $this->disconnect(false);
+        }
+
+        if (!PEAR::loadExtension($this->phptype)) {
+            return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+                'connect: extension '.$this->phptype.' is not compiled into PHP');
+        }
+
+        $params = array(
+            $this->dsn['hostspec'] ? $this->dsn['hostspec'] : 'localhost',
+            $this->dsn['username'] ? $this->dsn['username'] : null,
+            $this->dsn['password'] ? $this->dsn['password'] : null,
+        );
+        if ($this->dsn['port']) {
+            $params[0].= ((substr(PHP_OS, 0, 3) == 'WIN') ? ',' : ':')
+                        . $this->dsn['port'];
+        }
+
+        $connect_function = $this->options['persistent'] ? 'mssql_pconnect' : 'mssql_connect';
+
+        $connection = @call_user_func_array($connect_function, $params);
+        if ($connection <= 0) {
+            return $this->raiseError(MDB2_ERROR_CONNECT_FAILED);
+        }
+
+        $this->connection = $connection;
+        $this->connected_dsn = $this->dsn;
+        $this->connected_database_name = '';
+        $this->opened_persistent = $this->options['persistent'];
+        $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+       if ((bool) ini_get('mssql.datetimeconvert')) {
+           ini_set('mssql.datetimeconvert', '0');
+       }
+       @mssql_query('SET DATEFORMAT ymd', $this->connection);
+
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ disconnect()
+
+    /**
+     * Log out and disconnect from the database.
+     *
+     * @return mixed true on success, false if not connected and error
+     *                object on error
+     * @access public
+     */
+    function disconnect($force = true)
+    {
+        if (is_resource($this->connection)) {
+            if (!$this->opened_persistent || $force) {
+                @mssql_close($this->connection);
+            }
+            $this->connection = 0;
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ _doQuery()
+
+    /**
+     * Execute a query
+     * @param string $query  query
+     * @param boolean $isManip  if the query is a manipulation query
+     * @param resource $connection
+     * @param string $database_name
+     * @return result or error object
+     * @access protected
+     */
+    function _doQuery($query, $isManip = false, $connection = null, $database_name = null)
+    {
+        $this->last_query = $query;
+        $this->debug($query, 'query');
+        if ($this->getOption('disable_query')) {
+            if ($isManip) {
+                return 0;
+            }
+            return null;
+        }
+
+        if (is_null($connection)) {
+            $err = $this->connect();
+            if (PEAR::isError($err)) {
+                return $err;
+            }
+            $connection = $this->connection;
+        }
+        if (is_null($database_name)) {
+            $database_name = $this->database_name;
+        }
+
+        if ($database_name) {
+            if ($database_name != $this->connected_database_name) {
+                if (!@mssql_select_db($database_name, $connection)) {
+                    return $this->raiseError();
+                }
+                $this->connected_database_name = $database_name;
+            }
+        }
+
+        $result = @mssql_query($query, $connection);
+        if (!$result) {
+            return $this->raiseError();
+        }
+
+        if ($isManip) {
+            return @mssql_rows_affected($connection);
+        }
+        return $result;
+    }
+
+    // }}}
+    // {{{ _modifyQuery()
+
+    /**
+     * Changes a query string for various DBMS specific reasons
+     *
+     * @param string $query  query to modify
+     * @return the new (modified) query
+     * @access protected
+     */
+    function _modifyQuery($query, $isManip, $limit, $offset)
+    {
+        if ($limit > 0) {
+            $fetch = $offset + $limit;
+            if (!$isManip) {
+                return preg_replace('/^([\s(])*SELECT(?!\s*TOP\s*\()/i',
+                    "\\1SELECT TOP $fetch", $query);
+            }
+        }
+        return $query;
+    }
+    // }}}
+    // {{{ _checkSequence
+    /**
+     * Checks if there's a sequence that exists.
+     *
+     * @param  string $seq_name    The sequence name to verify.
+     * @return bool   $tableExists The value if the table exists or not 
+     * @access private
+     */
+    function _checkSequence($seq_name)
+    {
+        $query       = "SELECT * FROM $seq_name";
+        $tableExists = $this->_doQuery($query, true);
+        if (PEAR::isError($tableExists)) {
+            if ($tableExists->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+                return 0;
+            }
+        } else {
+            return 1;
+        }
+    }
+    // }}}
+    // {{{ nextID()
+
+    /**
+     * returns the next free id of a sequence
+     *
+     * @param string $seq_name name of the sequence
+     * @param boolean $ondemand when true the seqence is
+     *                          automatic created, if it
+     *                          not exists
+     *
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function nextID($seq_name, $ondemand = true)
+    {
+        $sequence_name = $this->getSequenceName($seq_name);
+        if (!$this->_checkSequence($sequence_name)) {
+            $query = "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)";
+        } else {
+            $query = "SET IDENTITY_INSERT $sequence_name ON ".
+                     "INSERT INTO $sequence_name (".$this->options['seqcol_name'].") VALUES (0)";
+        }
+        $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+        $result = $this->_doQuery($query, true);
+        $this->popExpect();
+        if (PEAR::isError($result)) {
+            if ($ondemand && !$this->_checkSequence($sequence_name)) {
+                $this->loadModule('Manager');
+                // Since we are creating the sequence on demand
+                // we know the first id = 1 so initialize the
+                // sequence at 2
+                $result = $this->manager->createSequence($seq_name, 2);
+                if (PEAR::isError($result)) {
+                    return $this->raiseError(MDB2_ERROR, null, null,
+                        'nextID: on demand sequence '.$seq_name.' could not be created');
+                } else {
+                    // First ID of a newly created sequence is 1
+                    return 1;
+                }
+            }
+            return $result;
+        }
+        
+        // TODO: Make sure that this works.
+        $value = $this->queryRow("SELECT @@IDENTITY", 'integer');
+        if (is_numeric($value)) {
+            $query = "DELETE FROM $sequence_name WHERE ".
+                     $this->options['seqcol_name']." < $value";
+            $result = $this->_doQuery($query, true);
+            
+            if (PEAR::isError($result)) {
+                $this->warnings[] = 'nextID: could not delete previous sequence table values';
+            }
+        }
+        return $value;
+    }
+    // }}}
+    // {{{ lastInsertID()
+    /**
+     * returns the autoincrement ID if supported or $id
+     *
+     * @param mixed $id value as returned by getBeforeId()
+     * @param string $table name of the table into which a new row was inserted
+     * @return mixed MDB2 Error Object or id
+     * @access public
+     */
+    function lastInsertID($table = null, $field = null)
+    {
+        return $this->queryOne("SELECT @@IDENTITY FROM $table", 'integer');
+    }
+    // }}}
+}
+// }}}
+// {{{ Class MDB2_Result_mssql
+
+class MDB2_Result_mssql extends MDB2_Result_Common
+{
+    // {{{ _skipLimitOffset()
+
+    /**
+     * Skip the first row of a result set.
+     *
+     * @param resource $result
+     * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+     * @access protected
+     */
+    function _skipLimitOffset()
+    {
+        if ($this->limit) {
+            if ($this->rownum >= $this->limit) {
+                return false;
+            }
+        }
+        if ($this->offset) {
+            while ($this->offset_count < $this->offset) {
+                ++$this->offset_count;
+                if (!is_array(@mysql_fetch_row($this->result))) {
+                    $this->offset_count = $this->limit;
+                    return false;
+                }
+            }
+        }
+        return MDB2_OK;
+    }
+
+    // }}}
+    // {{{ fetchRow()
+
+    /**
+     * Fetch a row and insert the data into an existing array.
+     *
+     * @param int       $fetchmode  how the array data should be indexed
+     * @param int    $rownum    number of the row where the data can be found
+     * @return int data array on success, a MDB2 error on failure
+     * @access public
+     */
+    function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+    {
+        if (!$this->_skipLimitOffset()) {
+            $null = null;
+            return $null;
+        }
+        if (!is_null($rownum)) {
+            $seek = $this->seek($rownum);
+            if (PEAR::isError($seek)) {
+                return $seek;
+            }
+        }
+        if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+            $fetchmode = $this->db->fetchmode;
+        }
+        if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+            $row = @mssql_fetch_assoc($this->result);
+            if (is_array($row)
+                && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+            ) {
+                $row = array_change_key_case($row, $this->db->options['field_case']);
+            }
+        } else {
+            $row = @mssql_fetch_row($this->result);
+        }
+        if (!$row) {
+            if (is_null($this->result)) {
+                $err =& $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'fetchRow: resultset has already been freed');
+                return $err;
+            }
+            $null = null;
+            return $null;
+        }
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_EMPTY_TO_NULL) {
+            $this->db->_fixResultArrayValues($row, MDB2_PORTABILITY_EMPTY_TO_NULL);
+        }
+        if (!empty($this->values)) {
+            $this->_assignBindColumns($row);
+        }
+        if (!empty($this->types)) {
+            $row = $this->db->datatype->convertResultRow($this->types, $row);
+        }
+        if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+            $object_class = $this->db->options['fetch_class'];
+            if ($object_class == 'stdClass') {
+                $row = (object) $row;
+            } else {
+                $row = &new $object_class($row);
+            }
+        }
+        ++$this->rownum;
+        return $row;
+    }
+
+    // }}}
+    // {{{ _getColumnNames()
+
+    /**
+     * Retrieve the names of columns returned by the DBMS in a query result.
+     *
+     * @param resource $result result identifier
+     * @return mixed                an associative array variable
+     *                              that will hold the names of columns. The
+     *                              indexes of the array are the column names
+     *                              mapped to lower case and the values are the
+     *                              respective numbers of the columns starting
+     *                              from 0. Some DBMS may not return any
+     *                              columns when the result set does not
+     *                              contain any rows.
+     *
+     *                              a MDB2 error on failure
+     * @access private
+     */
+    function _getColumnNames()
+    {
+        $columns = array();
+        $numcols = $this->numCols();
+        if (PEAR::isError($numcols)) {
+            return $numcols;
+        }
+        for ($column = 0; $column < $numcols; $column++) {
+            $column_name = @mssql_field_name($this->result, $column);
+            $columns[$column_name] = $column;
+        }
+        if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+            $columns = array_change_key_case($columns, $this->db->options['field_case']);
+        }
+        return $columns;
+    }
+
+    // }}}
+    // {{{ numCols()
+
+    /**
+     * Count the number of columns returned by the DBMS in a query result.
+     *
+     * @return mixed integer value with the number of columns, a MDB2 error
+     *      on failure
+     * @access public
+     */
+    function numCols()
+    {
+        $cols = @mssql_num_fields($this->result);
+        if (is_null($cols)) {
+            if (is_null($this->result)) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'numCols: resultset has already been freed');
+            }
+            return $this->db->raiseError();
+        }
+        return $cols;
+    }
+
+    // }}}
+    // {{{ nextResult()
+
+    /**
+     * Move the internal result pointer to the next available result
+     * Currently not supported
+     *
+     * @return true if a result is available otherwise return false
+     * @access public
+     */
+    function nextResult()
+    {
+        if (is_null($this->result)) {
+            return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                'nextResult: resultset has already been freed');
+        }
+        return @mssql_next_result($this->result);
+    }
+
+    // }}}
+    // {{{ free()
+
+    /**
+     * Free the internal resources associated with $result.
+     *
+     * @return boolean true on success, false if $result is invalid
+     * @access public
+     */
+    function free()
+    {
+        $free = @mssql_free_result($this->result);
+        if (!$free) {
+            if (is_null($this->result)) {
+                return MDB2_OK;
+            }
+            return $this->db->raiseError();
+        }
+        $this->result = null;
+        return MDB2_OK;
+    }
+}
+
+class MDB2_BufferedResult_mssql extends MDB2_Result_mssql
+{
+    // }}}
+    // {{{ seek()
+
+    /**
+    * seek to a specific row in a result set
+    *
+    * @param int    $rownum    number of the row where the data can be found
+    * @return mixed MDB2_OK on success, a MDB2 error on failure
+    * @access public
+    */
+    function seek($rownum = 0)
+    {
+        if ($this->rownum != ($rownum - 1) && !@mssql_data_seek($this->result, $rownum)) {
+            if (is_null($this->result)) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'seek: resultset has already been freed');
+            }
+            return $this->db->raiseError(MDB2_ERROR_INVALID, null, null,
+                'seek: tried to seek to an invalid row number ('.$rownum.')');
+        }
+        $this->rownum = $rownum - 1;
+        return MDB2_OK;
+    }
+
+    // {{{ valid()
+
+    /**
+     * check if the end of the result set has been reached
+     *
+     * @return mixed true or false on sucess, a MDB2 error on failure
+     * @access public
+     */
+    function valid()
+    {
+        $numrows = $this->numRows();
+        if (PEAR::isError($numrows)) {
+            return $numrows;
+        }
+        return $this->rownum < ($numrows - 1);
+    }
+
+    // }}}
+    // {{{ numRows()
+
+    /**
+     * returns the number of rows in a result object
+     *
+     * @return mixed MDB2 Error Object or the number of rows
+     * @access public
+     */
+    function numRows()
+    {
+        $rows = @mssql_num_rows($this->result);
+        if (is_null($rows)) {
+            if (is_null($this->result)) {
+                return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+                    'numRows: resultset has already been freed');
+            }
+            return $this->raiseError();
+        }
+        if ($this->limit) {
+            $rows -= $this->limit;
+            if ($rows < 0) {
+                $rows = 0;
+            }
+        }
+        return $rows;
+    }
+}
+// }}}
+// {{{ MDB2_Statement_mssql
+class MDB2_Statement_mssql extends MDB2_Statement_Common
+{
+
+}
+// }}}
+
+?>